- Vulnerability/
- CVE-2024-46716
CVE-2024-46716: dmaengine: altera-msgdma: properly free descriptor in msgdma_free_descriptor
First published: Wed Sep 18 2024(Updated: )
In the Linux kernel, the following vulnerability has been resolved: dmaengine: altera-msgdma: properly free descriptor in msgdma_free_descriptor Remove list_del call in msgdma_chan_desc_cleanup, this should be the role of msgdma_free_descriptor. In consequence replace list_add_tail with list_move_tail in msgdma_free_descriptor. This fixes the path: msgdma_free_chan_resources -> msgdma_free_descriptors -> msgdma_free_desc_list -> msgdma_free_descriptor which does not correctly free the descriptors as first nodes were not removed from the list.
Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67 416baaa9-dc9f-4396-8d5f-8c081fb06d67
| Affected Software | Affected Version | How to fix |
|---|---|---|
| debian/linux | <=5.10.223-1<=5.10.226-1 | 6.1.123-1 6.1.119-1 6.12.9-1 6.12.10-1 |
| debian/linux-6.1 | 6.1.119-1~deb11u1 |
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Reference Links
- https://git.kernel.org/stable/c/20bf2920a869f9dbda0ef8c94c87d1901a64a716
- https://git.kernel.org/stable/c/54e4ada1a4206f878e345ae01cf37347d803d1b1
- https://git.kernel.org/stable/c/a3480e59fdbe5585d2d1eff0bed7671583acf725
- https://git.kernel.org/stable/c/db67686676c7becc1910bf1d6d51505876821863
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-46716
- https://nvd.nist.gov/vuln/detail/CVE-2024-46716
- https://launchpad.net/bugs/cve/CVE-2024-46716
- https://security-tracker.debian.org/tracker/CVE-2024-46716
- https://ubuntu.com/security/CVE-2024-46716
- https://git.kernel.org/linus/54e4ada1a4206f878e345ae01cf37347d803d1b1
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